code: def forward(self, inputs):
      x = self._conv1(inputs)
      x = self._bn1(x)
      x = self._act_op1(x)
      x = self._conv2(x)
      x = self._bn2(x)
      x = self._act_op2(x)
      return x
  
imports: import paddle.nn
  import paddle.nn.functional
  from paddleseg.cvlibs import manager
  from paddleseg.utils import utils
  from paddleseg.models import layers
label_desc: Use image node_id 2 for calling the Separate_Conv obj's underlying member method code with example usage: obj.forward(inputs) and returns: x